A kind of bactericidal composition containing thifuramide and myclobutanil and application thereof
The technology of a thifuramide and a composition is applied in the field of bactericidal compositions containing thifuramide and myclobutanil, which can solve the problems of difficult control of plant pathogens, discount of single-agent control effect, increase of pathogen resistance, etc. Dosage, good control effect, and effect of inhibiting drug resistance
Active Publication Date: 2015-11-04
NANJING HUAZHOU PHARMA
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Problems solved by technology
[0010] At present, the prevention and control of plant pathogens is becoming more and more difficult. On the one hand, with the change of planting structure, the planting area of economic crops such as melons, fruits and vegetables has gradually expanded, and the degree and number of diseases have increased, making the prevention and control more difficult. On the other hand, the resistance of pathogenic bacteria is increasing year by year under the pressure of continuous agent selection, the control effect of a single agent is greatly reduced, and the control of plant diseases is facing a major challenge
Method used
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Comparison scheme
Effect test
Embodiment 1
[0028] Thiofuramide 5g, myclobutanil 10g, detergent LS (sodium p-methoxy fatty acid aminobenzene sulfonate) 2g, diffusing agent NNO (sodium methylene bis-naphthalene sulfonate) 4g, white carbon black 5g, Kaolin is added to 100 g of the mixture and subjected to jet milling to obtain a wettable powder with a weight percentage of the main active ingredient of 15%.
Embodiment 2
[0030] Add thifuramide 10g, myclobutanil 40g, cleaning agent LS 3g, diffusing agent NNO4g, white carbon black 5g, and kaolin to 100g of the mixture for jet milling to obtain a wettable powder with a weight percentage of the main active ingredient of 50% .
Embodiment 3
[0032] Add thifuramide 4g, myclobutanil 32g, cleaning agent LS 3g, diffusing agent NNO4g, white carbon black 5g, kaolin to 100g mixture and carry out jet milling, and the obtained main active ingredient weight percentage is 36% wettable powder .
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The invention belongs to the field of pesticides, and discloses a bactericidal composition containing thifluzamide and myclobutanil and an application thereof. The bactericidal composition takes thifluzamide and myclobutanil as main active ingredients, wherein the weight ratio of thifluzamide to myclobutanil is (1-70):(1-50). The bactericidal composition can be used for preventing the diseases of cereal, melon and fruit or vegetable crops, has relatively high synergistic effect, overcomes and delays the drug resistance of germs, and realizes high bactericidal speed and long duration while the application cost is reduced and the prevention effect is obviously better than that of using a single agent. The bactericidal composition disclosed by the invention can be used for preventing fungal diseases of crops and particularly can be used for preventing the fungal diseases such as leaf blight, rust disease, powdery mildew, downy mildew, epidemic disease, anthracnose, scab, brown spot, damping off, sheath blight, gray mold and the like, and the effect is better than that of using a single agent.
Description
Technical field: [0001] The invention belongs to the field of pesticides and relates to a bactericidal composition and its application, in particular to a bactericidal composition containing thifuramide and myclobutanil and its application. Background technique [0002] Thiofuramide (Trifluzamide), also known as Thiofluramide, chemical name: 2',6'-dibromo-2-methyl-4'-trifluoromethoxy-4-trifluoromethyl-1,3- Thiadiazole-5-hydroxyanilide, molecular formula C 13 h 6 Br 2 f 6 N 2 o 2 S, chemical structural formula: [0003] [0004] Thiofuramide has low toxicity: acute oral LD50 of rats>5000mg / kg, acute percutaneous LD50 of rats>5000mg / kg, acute inhalation of LC50 of rats>50001.4mg / L air. Moderately irritating to rabbit eyes and slightly irritating to rabbit skin. Belonging to the thiazole amide fungicides, it has strong systemic conductivity and long-lasting effect. Thiofuramide is a succinate dehydrogenase inhibitor. Due to its fluorine content, it has stro...
Claims
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IPC IPC(8): A01N43/78A01N43/653A01P3/00
Inventor 彭永强郭崇友倪峰陈文明朱有智
Owner NANJING HUAZHOU PHARMA